避免灭虫剂对人体的危害。
一片庄稼地在昆虫啃食粮食作物的时候会发光，这样就让灭虫剂在适当的时候才被使用。
A field would glow in areas where insects were attacking the crops, allowing insecticides to be deployed appropriately.
一片庄稼地在昆虫啃食粮食作物的时候会发光，这样就让灭虫剂在适当的时候才被使用。
A field would glow in areas where insects were attacking the crops, allowing insecticides to be deployed appropriately.
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